Paleontologists have uncovered a previously unknown prehistoric mammal species that was among the largest of its time. The partial remains of the newly identified species were originally collected ...

A rare fossil has provided a snapshot of what was an exceptionally unlucky day for a prehistoric sea cow. The now-extinct species of dugong, a manatee-like marine mammal, was swimming in the sea about ...

The story of whales did not begin in the seas. For millions of years before beasts like the sinuous Basilosaurus lived full time in the ocean, the shorelines and estuaries of prehistoric Earth were ...

"Prehistoric World" is a new book by Aaron Woodruff, the museum's collection manager for vertebrate paleontology. It includes profiles and illustrations of prehistoric mammals such as Livyatan ...

A giant skull of a prehistoric sea predator has been unearthed by a team of fossil hunters in the UK, the BBC reported. The more than 6-foot-long skull belongs to a pliosaur, a marine reptile that ...

Contrary to popular scientific theories, a new study finds that mammals were already thriving 10 to 20 million years before the extinction of dinosaurs. The research was published in the Proceedings ...

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1. The age of mammals -- 2. The origin and early evolution of mammals -- 3. Marsupials : pouched mammals -- 4. Placental mammals (Eutheria) -- 5. Xenarthra : sloths ...

Deep in the mountains of northern Norway, scientists have uncovered the remains of 46 Ice Age species, preserved for over ...

(CNN) — The remarkably well-preserved skull of a gigantic pliosaur, a prehistoric sea monster, has been discovered on a beach in the county of Dorset in southern England, and it could reveal secrets ...